Playing with the SWAT model - the most comprehensive SWAT model tutorial [Modeling methods, example applications, advanced]

Table of contents

[Expert]: Teacher Liu [Associate Professor], a senior expert from a key university in Beijing, has long-term cooperation with the US SWAT software developer, has rich experience in scientific research and engineering technology, has long been engaged in research in the fields of watershed non-point source pollution simulation and control, and has senior technical background and professional background.

[Data]:
Gift the national land use data in 2000, 2010, 2020; national soil data
Gift the national 12.5m DEM elevation data; national provincial, city and county administrative district data
Gift CMIP data for June (500G+)
including variables: temperature, pressure, humidity and wind Radiation precipitation
Include scenarios: historical, ssp126, ssp245, ssp370, ssp585
Free CMIP6 daily data (1.8T+)
Include variables: temperature, pressure, humidity, wind, radiation precipitation
Include scenarios: historical, ssp126, ssp245, ssp370, ssp585
Gift ERA5-LAND Surface reanalysis data (about 5T)
time: 1951.1.1-2021.12.31 time resolution: hourly
spatial resolution: 0.1° (equal angle lonlat projection + wgs84) contains 11 variables: temperature, air pressure, radiation, evaporation, precipitation , Humidity [see the data description file for details]

Part 1: SWAT Model Practical Part

1. Introduction to SWAT model and application ①Summary
of non-point source pollution
②SWAT model and its application
③SWAT model principle
④SWAT model input file
⑤Relationship between ArcGIS and SWAT

2. GIS essential technology in SWAT model
①GIS software platform
②ArcGIS10.6 installation and precautions
③ArcGIS essential technology
④ArcGIS common data format

3. SWAT model operation process
①SWAT model installation ②SWAT
project establishment
③SWAT model sub-basin division
④HRU division
⑤Meteorological data and other data input
⑥SWAT operation and result reading

4. SWAT result analysis and map making
①SWAT result view and export
②SWAT result time change analysis
③SWAT result spatial change analysis
④SWAT result symbol setting and map drawing

5. DEM data preparation process
①The role of DEM data
②Recognize DEM data
③DEM data acquisition
④DEM data preprocessing

6. Land use data preparation process
①Land use transfer process
②Land use acquisition ③Land use
processing
④Remote sensing data interpretation Land use
⑤Establishment of land use type index table

7. Soil data preparation process
①Soil data calling process
②Soil data acquisition ③Soil data
processing
④SWAT soil database parameters
⑤Soil database parameter calculation
⑥Establishment of soil type index table

8. Meteorological data preparation process
① Meteorological data call principle
② Meteorological data acquisition
③ Meteorological data processing
④ Weather generator introduction and parameter calculation
⑤ Meteorological station index file production

9. Other data preparation process
①point source pollution input
②reservoir data input
③irrigation measure input
④management measure input

10. Parameter Calibration and Result Verification
①Principle of Parameter Calibration and Result Verification
②SWAT-CUP Software Introduction
③SWAT-CUP Water Quantity Calibration and Verification
④SWAT-CUP Water
Quality Calibration
and Verification and simulation

11. Key source areas and BMPs setting
① Introduction to best management measures
② Analysis of key source areas ③
BMP settings in SWAT
④ BMP effect analysis

12. Analysis of SWAT model results - water resources
① surface runoff analysis
② underground runoff analysis
③ evapotranspiration analysis
④ water conservation analysis

13. Analysis of SWAT model results - agricultural non-point source
①Agricultural non-point source analysis of sub-watersheds
②Agricultural non-point source analysis of river courses
③Analysis of spatio-temporal variation of non-point source pollution

14. Analysis of SWAT Model Results - Soil Erosion
①Sediment Analysis of SWAT Model
②Analysis of Water and Soil Conservation Measures

Part II: SWAT Model [Advanced Part]

1. Hot spot analysis of SWAT model application
①SWAT model application literature analysis and hot spot analysis
②Discussion

2. Rapid establishment of SWAT model in areas without
data ① DEM data preparation in areas
without data ② Land use preparation in areas without data
③ Soil data preparation in areas without data
④ Meteorological data preparation in areas without data
⑤ Calibration and verification of SWAT models in areas without
data ⑥ Case analysis: Research on Combination of Remote Sensing Products and SWAT Model

3. Establishment of watershed SWAT model based on control unit
①ArcGIS advanced operation
②ArcGIS hydrological analysis and SWAT application
③pre-defined sub-watershed and river network complete preparation and precautions
④HRU in-depth analysis and visual analysis
⑤Case analysis: establishment of watershed SWAT model based on control unit

4. SWAT Model Uncertainty Analysis
① Uncertainty Analysis
② Input Uncertainty Analysis
③ Parameter Uncertainty Analysis
④ Structure Uncertainty Analysis
⑤ Case Analysis: Uncertainty Analysis of DEM Data in SWAT Model

5. Impact of future climate change on water resources and non-point source pollution
① Introduction to climate change
② CMIP6 data introduction ③
CMIP6 data download
④ CMIP6 data processing based on ArcGIS and python
⑤ Climate data downscaling processing
⑥ Case analysis: climate change on SWAT non-point source pollution Simulation Impact Study

6. Impact of land use change on water resources and non-point source pollution
① Introduction to land use change
② ArcGIS land use change analysis
③ Impact of land use change on SWAT model results
④ ArcGIS conversion of farmland to forest and its impact on non-point source pollution
⑤ Land use dynamic input SWAT setting
⑥ FLUS future land use change prediction
⑦ Case study: Research on the impact of dynamic land use input on SWAT non-point source pollution simulation

7. SWAT improvement and model coupling
①SWAT model code modification and application ②Common
model literature analysis combined with SWAT model
③Case analysis: SWAT model initial loss rate improvement and impact analysis on water resources

8. Frequently Asked Questions and Answers
① Summary and answers to common questions in the SWAT modeling process
② Answers to questions
Note: Please prepare your own computer and install the required software in advance

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